Wayfarer's Bauble

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Reliquary Tower

You have no maximum hand size.
{T}: Add {C}.

This land enters tapped.
When this land enters, exile target player's graveyard.
{T}: Add {B}.

As this land enters, you may reveal a Plains or Swamp card from your hand. If you don't, this land enters tapped.
{T}: Add {W} or {B}.

{T}: Add one mana of any color in your commander's color identity.
Sacrifice this artifact: Draw a card.

{T}: Add {C}.
{T}: Add {W} or {B}. Activate only if you control a Swamp.

{T}: Add {C}.
{W/B}, {T}: Add {W}{W}, {W}{B}, or {B}{B}.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add {C}.
{1}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {C}.
{T}: Add {W} or {B}. This land deals 1 damage to you.

{T}: Add {C}.
{T}: Add {W} or {B}. This artifact deals 1 damage to you.